package com.kuang.kuangshenesjd.utils;

import com.kuang.kuangshenesjd.pojo.Content;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import org.springframework.stereotype.Component;

import java.io.IOException;
import java.lang.reflect.Array;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

@Component
public class HtmlParseUtil {
    public static void main(String[] args) throws IOException {
        new HtmlParseUtil().parseJD("java").forEach(System.out::println);
    }

    public List<Content> parseJD(String keywords) throws IOException {
//        https://search.jd.com/Search?keyword=
        String url="https://search.jd.com/Search?keyword="+keywords+"&enc=utf-8";
        Document document = Jsoup.parse(new URL(url), 30000);
        Element element = document.getElementById("J_goodsList");
        System.out.println(element);
        Elements elements = element.getElementsByTag("li");

        List<Content> goodList=new ArrayList<Content>();
        for (Element el : elements) {
            //source-data-lazy-img
            String img = el.getElementsByTag("img").eq(0).attr("src");
            String price = el.getElementsByClass("p-price").eq(0).text();
            String title = el.getElementsByClass("p-name").eq(0).text();

            Content content=new Content();
            content.setImg(img);
            content.setPrice(price);
            content.setTitle(title);
//            System.out.println(img+"=="+price+"=="+title);
            goodList.add(content);
        }
        return goodList;
    }
}
